Cryptobranchoidea in a sentence
1. The suborder Cryptobranchoidea contains the primitive salamanders.
2. Salamanders split off from the other amphibians during the mid- to late Permian, and initially were similar to modern members of the Cryptobranchoidea.
3. The clade Neocaudata is often used to separate the Cryptobranchoidea and Salamandroidea from the Sirenoidea.
4. The two main groups of extant salamanders are the Cryptobranchoidea (primitive salamanders) and the Salamandroidea (advanced salamanders), also known as Diadectosalamandroidei, both seem to have appeared before the end of the Jurassic, the former being exemplified by Chunerpeton tianyiensis, Pangerpeton sinensis, Jeholotriton paradoxus, Regalerpeton weichangensis, Liaoxitriton daohugouensis and Iridotriton hechti, and the latter by Beiyanerpeton jianpingensis.
5. The Cryptobranchoidea (primitive salamanders) and the Salamandroidea, also known as Diadectosalamandroidei, (advanced salamanders) are believed to be sister groups.
6. They are closely related to the giant salamanders (family Cryptobranchidae), with which they form the suborder Cryptobranchoidea.
7. They differ from suborder Cryptobranchoidea as the angular and prearticular bones in their lower jaws are fused, and all members use internal fertilization.
8. The Cryptobranchoidea are a suborder of salamanders found in the United States, China, Taiwan, and Japan.